OS X 10.10

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Apple has released the 7th developer preview of OS X Yosemite. The update arrives as build 14A343f, and includes bug fixes and feature enhancements, making it recommended for all Mac developers to install. As usual, those registered with the Mac Developer Program can either download the update through the Mac App Store, or redeem a download code through the developer website. Separately, a new beta version of Xcode with the iOS 8 beta SDK is also available for developers to download.

OS X Yosemite Developer Preview 7 Released

OS X Yosemite Developer Preview builds are separate from the OS X Yosemite Public Beta builds. Currently, the Public Beta version is on it’s second release, and has a build number that closely matches the 6th Developer Preview release of OS X Yosemite. Apple has said the final version of OS X Yosemite will arrive as a free download sometime in the fall, with most reliable rumors indicating the likely availability date appearing sometime in October.

Apple on Monday posted to YouTube a promotional video showing off the graphical changes OS X 10.10 Yosemite will deliver when the operating system launches this fall.

Apple posts OS X 10.10 Yosemite highlight reel to YouTube

Titled “The New Look of OS X Yosemite,” the short minute-long clip highlights a few major changes made to Apple’s upcoming OS, including flatter iconography, retooled system text and transparencies. Apple CEO Tim Cook first presented the clip at the Worldwide Developers Conference keynote last week.

The clip starts out with Yosemite’s new “traffic light” window buttons, which are now devoid of skeuomorphic shading. Aside from the graphics tweak, the familiar green button previously assigned to enlarge Finder windows is now a toggle for full-screen viewing.

Yosemite’s new dock is also featured, with a run-through of icon changes made to Apple’s standard apps like Safari, Mail, Calendar, Notes and more. A few select apps are shown off in detail, including Mail, Messages and Calendar, each featuring extensive use of transparencies that Apple says adds depth to the desktop OS.